A.B. Seymour and F.S. Earle [1-550, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 560145
Humphrey J. E. s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst

USDA United States National Fungus Collections
Catalog #: BPI 560156
Humphrey J. E. s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst

USDA United States National Fungus Collections
Catalog #: BPI 560157
Humphrey J. E. s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst

USDA United States National Fungus Collections
Catalog #: BPI 1020720
Humphrey J. E. s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst

University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0018540
Humphrey, James E. #40 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Hampshire, Amherst, Mass. [Massachusetts]

Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0438
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Hampshire, Amherst;

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP2192
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052074
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00051929
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Hampshire, Amherst;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00051930
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Hampshire, Amherst;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00051942
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Hampshire, Amherst;

University of Florida Herbarium
Catalog #: FLAS-F-59922
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracerum
United States, Massachusetts, Hampshire, Amherst

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0214695
J. E. Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000249360
J. E. Humphrey #438 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst

Field Museum of Natural History
Catalog #: C0285156F
467e10a3-628f-4d71-8249-3cc46a5c3546
J. E. Humphrey #s.n. 00 July 1892
Erysiphe cichoracearum DC. DC.
U.S.A., Massachusetts, Hampshire, Amherst; Amherst

Field Museum of Natural History
Catalog #: C0285157F
7a40e991-a0a7-430b-a86c-a8dfda2c2f68
J. E. Humphrey #s.n. 00 July 1892
Erysiphe cichoracearum DC. DC.
U.S.A., Massachusetts, Hampshire, Amherst; Amherst

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0014973
J.E. Humphrey #s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Amherst

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00157590
James E. Humphrey #s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Hampshire, Amherst

Purdue University, Kriebel Herbarium
Catalog #: PUL00027599
JE Humphrey s.n. 00 July 1892
Erysiphe cichoracearum DC.
United States, Massachusetts, Hampshire, Amherst;